The leaf and stem mines of British flies and other insects
 

(Coleoptera, Diptera, Hymenoptera and Lepidoptera)

by Brian Pitkin, Willem Ellis, Colin Plant and Rob Edmunds

N.B. Links to the latest version of 'Leafminers and plant galls of Europe' are being edited

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Batrachedra pinicolella (Zeller, 1839)
[Lepidoptera: Batrachedridae]

Pine Cosmet


Cosmopteryx pinicolella Zeller, 1839. Isis 32: 210
Batrachedra pinicolella
(Zeller, 1839).


Leaf-miner and case-bearer: The larva lives in a silken tube, covered with fragments of bark and lichen on the bark of the older part of a branch. From this tube the larva mines the basal half of a number of leaves. The larva moults in the tube, and pupates in a side branch of it. (Bladmineerders van Europa).

Larva: The larvae of moths have a head capsule and chewing mouthparts with opposable mandibles (see video of a gracillarid larva feeding), six thoracic legs and abdominal legs (see examples).Mining larva yellow brown with black head and pronotum and exceptionally long setae (Patocka, 1960a) (Bladmineerders van Europa).

Pupa: The pupae of moths have visible head appendages, wings and legs which lie in sheaths (see examples).

The larva moults in the tube, and pupates in a side branch of it (Bladmineerders van Europa).

Adult: The adult is illustrated in UKMoths by Andrew Mitchell. The male and female genitalia are illustrated by the Lepidoptera Dissection Group.

Hosts in Great Britain & Ireland:

Pinaceae        
Picea abies Norway Spruce British Wild Flowers by John Somerville et al. Pitkin & Plant

Hosts elsewhere:

Pinaceae        
Abies       Bladmineerders van Europa
Picea abies Norway Spruce British Wild Flowers by John Somerville et al. Belgian Lepidoptera
Picea abies Norway Spruce British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Pinus       Bladmineerders van Europa

Time of year - larvae: September - May (Bladmineerders van Europa).

Time of year - adults: Currently unknown.

Distribution in Great Britain & Ireland: Widespread in Britain including Bedfordshire, Dorset, Durham. East Kent, East Suffolk, Herefordshire, Huntingdonshire, Isle of Wight, North Essex, North Hampshire, Nottinghamshire, Shropshire, South Devon, South Hampshire, Stafford, West Kent, West Norfolk, West Suffolk, West Sussex and Worcestershire (NBN Atlas).

Distribution elsewhere: Widespread in continental Europe including Austria, Belarus, Czech Republic, Danish mainland, Estonia, Finland, French mainland, Germany, Hungary, Italian mainland, Latvia, Lithuania, Norwegian mainland, Poland, Romania, Russia - Central, East and Northwest, Slovakia, Spanish mainland, Sweden, Switzerland, The Netherlands and Ukraine (Karsholt and van Nieukerken in Fauna Europaea).

NBN Atlas links to known host species:

Picea abies

British and Irish Parasitoids in Britain and elsewhere:

Ichneumonoidea  
Diadegma elishae (Bridgman, 1884) Ichneumonidae: Campopleginae


External links: Search the internet:

Belgian Lepidoptera
Biodiversity Heritage Library
Bladmineerders van Europa
British leafminers
Encyclopedia of Life
Fauna Europaea
NBN Atlas

NHM UK Checklist
UKMoths

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Last updated 05-Aug-2017  Brian Pitkin Top of page